Allan Savory: How to green the world's deserts and reverse climate change. Stewart Brand: The dawn of de-extinction. Are you ready? Spontaneous 24-h ghrelin secretion pattern in fasting subjects: maintenance of a meal-related pattern. + Author Affiliations (Correspondence should be addressed to S Riedl, Department of Pediatrics, Medical University of Vienna, Währinger Gürtel 18–20, 1090 Vienna, Austria; Email: stefan.riedl@meduniwien.ac.at) Abstract.
Protein in Semen Acts on Brain and Triggers Ovulation : biology : NatureWorldNews. A new study carried out in the August issue of the journal Proceedings of the National Academy of Science (PNAS), presents a new finding toward fertility in mammals, including humans.
(Photo : IsaacMao/ Flickr) A new study carried out in the August issue of the journal Proceedings of the National Academy of Science (PNAS), presents a new finding toward fertility in mammals, including humans. An international team from the University of Saskatchewan (U of S), led by Gregg Adams, discovered that the molecule responsible for the growth, maintenance and survival of nerve cells also exists in semen.